Anti-Human CD27 Purified (Clone#: O323) Product Details Catalog Number: 09311-20 Description: The O323 monoclonal antibody specifically binds to the human CD27, which is a lymphocyte-specific member of the TNF/NGF-R family, expressed on a subset of human thymocytes and the majority of the mature T cells. CD27 is upregulated by T lymphocytes stimulation, and binds to CD70, enhancing the interaction between T and B lymphocytes.CD27 is a marker of memory B cells. Source: Isotype: Mouse IgG1, kappa; Clone#: O323 Note: Product supplied by Biogems Cross Reactivity: Human Research Interest Immune System Product Line Country Of Origin: USA Not for human use.